for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) {
channel_name = g_strdup_printf("D%d", i);
ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name);
for (i = 0; i < ARRAY_SIZE(devc->digital_channels); i++) {
channel_name = g_strdup_printf("D%d", i);
ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name);